Weil-McLain SVF 1500 Manual page 26

SVF
™
Series 1
Commercial Condensing Gas-Fired Water Boiler — Boiler Manual
Venting/combustion air — general
Combustion air contamination
1. (combustion air from boiler room):
a. Provide combustion air openings to boiler room as described
in this manual.
b. Ensure the boiler room and combustion air source areas are free
of contaminants.
2. (combustion air piped from outside):
a. Install air inlet piping for the SVF
b. Do not terminate air piping in locations that can allow contami-
nation of combustion air.
3. See Figure 21 for products and areas which may cause contaminated
combustion air.
Figure 21
Corrosive contaminants and sources
Products to avoid
Spray cans containing chloro/fluorocarbons
Permanent wave solutions
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Antistatic fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning solvents found in
household laundry rooms
Adhesives used to fasten building products and other similar products
Excessive dust and dirt
Areas likely to have contaminants
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
Furniture refinishing areas and establishments
New building construction
Remodeling areas
Garages with workshops
Venting/combustion air — options
Boiler vent and air connections:
The SVF boiler vent/air connection is sized for the following vent sizes / materials:
1. SVF 1500/2000 8" Duravent-FasNSeal
2. SVF 2500/3000 10" Duravent-FasNSeal
Installer must provide the correct adapters/reducers needed to connect to other approved vent manufacturer's products.
26
TM
boiler as described in this manual.
(continued)
BIRD SCREENS 
Provide a vent manufacturer's
at each termination
chased from the vent/air piping supplier.
USE SWEEP ELBOWS FOR ALL VENT AND
AIR PIPING WHEN POSSIBLE — Short-radius
elbows cause higher pressure loss, resulting
in less allowable vent/air piping length. See
Figure 25, page 31 for maximum lengths and
reductions required for fittings.
Table 1 Vent / Air Adapters part numbers
M&G Simpson-Duravent PolyPro
Boiler
Model
Description
TM
SVF
1500/2000 8" polypropylene pipe
Centrotherm Eco Systems – InnoFlue
Single-wall
1500/2000 8" polypropylene pipe
2500/3000 10" polypropylene pipe
M&G Simpson-Duravent – Fas-N-Seal
8" AL29-4C SS
1500/2000
2500/3000
10" AL29-4C SS
Heat Fab, Inc. — Saf-T-Vent
1500/2000 8" AL29-4C SS
2500/3000 10" AL29-4C SS
Metal-Fab, Inc. — CORR/GUARD
1500/2000 8" AL29-4C SS
2500/3000 10" AL29-4C SS
Z-Flex, Inc. — Z-Vent II
1500/2000
8" AL29-4C SS
10" AL29-4C SS
2500/3000
PVC Sch 40 / PVC-DWV Sch 40
CPVC Sch 40 or 80
1500/2000 8" SS to PVC
10" SS to PVC
2500/3000
BIRD SCREEN
. Bird screens must be pur-
Mechanical
Vent Adapter
Locking
Part Number
Collar
810004306 810007031
TM
IADHC0808 ISSA0808
IADHC1010 ISSA1010
––––
No adapter req'd.
–––– No adapter req'd.
TM
–––– 9801MAD
–––– 91001MAD
–––– 8FCSLCA
–––– 10FCSLCA
–––– 2SVSASNS08
–––– 2SVSASNS10
Duravent
Part Number
810005333
810005518
Part number 550-100-250/0819